柴胡皂苷A对抑郁模型大鼠海马神经细胞凋亡的保护作用

被引:50
作者
董海影
张静艳
柏青杨
王绍清
张晓杰
机构
[1] 齐齐哈尔医学院病理学系
关键词
柴胡皂苷A; 抑郁症; 脑源性神经生长因子; 细胞凋亡;
D O I
暂无
中图分类号
R285.5 [中药实验药理];
学科分类号
1008 ;
摘要
目的探讨柴胡皂苷A对抑郁模型大鼠海马神经细胞凋亡的保护作用及机制。方法 60只SD雄性大鼠随机分为正常对照组、模型组、西药组、中药组;采用慢性不可预见性应激刺激结合孤养方式建立抑郁模型;利用敞箱实验与糖水偏爱度检测大鼠行为学改变;采用电镜观察大鼠脑海马区超微结构变化;应用免疫组化与RT-PCR检测大鼠海马区脑源性神经生长因子(BDNF)蛋白及基因的表达水平。结果与正常对照组相比,模型组水平运动得分、垂直运动得分和糖水偏爱度明显降低(P<0.01,P<0.001),与模型组比较,西药组和中药组水平运动得分、垂直运动得分和糖水偏爱度均明显升高(P<0.05,P<0.001);与正常对照组相比,模型组大鼠海马区BDNF mRNA与蛋白表达明显下调(P<0.05),与模型组相比,西药组、中药组海马区BDNF mRNA与蛋白表达明显上调(P<0.05)。结论柴胡皂苷A抗抑郁症的作用机制可能与其促进海马区BDNF蛋白与mRNA的活性和表达,进而减少神经细胞凋亡有关。
引用
收藏
页码:1935 / 1937
页数:3
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